Home / 67,159.08-92,688.57-38,866.59

Finding the Fourth Proportional to 67,159.08, 92,688.57 and 38,866.59

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Solution

The fourth proportional to 67,159.08, 92,688.57 and 38,866.59 is: 53,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,159.08 : 92,688.57 = 38,866.59 : x
  2. Step 2: Convert to fraction form
    67,159.08/92,688.57 = 38,866.59/x
  3. Step 3: Cross multiply
    67,159.08x = 92,688.57 × 38,866.59
  4. Step 4: Simplify right side
    67,159.08x = 3,602,488,647.88
  5. Step 5: Solve for x
    x = 3,602,488,647.88/67,159.08
  6. Step 6: Final answer
    x = 53,641.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.